
Ecology Pulse Check#4
Authored by Eric N
Biology
9th - 11th Grade
NGSS covered
Used 3+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 12 pts
What does pH measure?
the amount of hydrogen (H+) ions
the amount of hydroxide (OH-) ions
amount of water
all of the above
2.
MULTIPLE CHOICE QUESTION
45 sec • 12 pts
Which of the following is the strongest acid?
1
5
3
8
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is a mixture of chemicals that react with a base/acid to keep pH in a particular range?
catalyst
enzyme
water
buffer
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A pH of 3 is how many times more acidic than a pH of 5?
2
20
10
100
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A(n) ______ is a substance with a pH less than 7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A(n) _______ is a substance with a pH greater than 7.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the only substance with a neutral pH of 7?
Milk
Orange Juice
Pure Water
Blood
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